Overview
Max Total Supply
26,281,927,031.376499 USDC
Holders
2,354,821 ( 0.007%)
Market
Price
$1.00 @ 0.000413 ETH (+0.01%)
Onchain Market Cap
$26,281,927,031.38
Circulating Supply Market Cap
$35,584,398,433.00
Other Info
Token Contract (WITH 6 Decimals)
Balance
0.920743 USDCValue
$0.92 ( ~0.000379937300184263 Eth) [0.0000%]Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | Bybit | BTC-USDC | $1.00 0.0004131 Eth | $285,357,172.00 4,600.724 BTC | 0.0000% |
2 | Bybit | ETH-USDC | $1.00 0.0004131 Eth | $151,206,687.00 62,699.015 ETH | 0.0001% |
3 | Azbit | BTC-USDC | $1.00 0.0004132 Eth | $88,238,654.00 1,422.850 BTC | 0.0000% |
4 | DigiFinex | BTC-USDC | $1.00 0.0004132 Eth | $81,258,734.00 1,309.578 BTC | 0.0000% |
5 | DODO (Ethereum) | 0XDAC17F958D2EE523A2206206994597C13D831EC7-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004131 Eth | $60,403,947.00 60,438,336.742 0XDAC17F958D2EE523A2206206994597C13D831EC7 | 0.0567% |
6 | Uniswap V3 (Ethereum) | 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.00 0.0004131 Eth | $57,599,589.00 23,891.161 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | 0.0000% |
7 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004132 Eth | $45,708,407.00 319,964.052 SO11111111111111111111111111111111111111112 | 0.0003% |
8 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.00 0.0004133 Eth | $39,407,949.00 39,151,095.495 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0367% |
9 | DigiFinex | ETH-USDC | $1.00 0.0004132 Eth | $33,480,579.00 13,825.703 ETH | 0.0000% |
10 | Biconomy.com | ETH-USDC | $1.00 0.0004131 Eth | $29,270,603.00 12,122.922 ETH | 0.0000% |
11 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $1.001 0.0004134 Eth | $28,959,723.00 28,843,714.229 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0271% |
12 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004131 Eth | $26,921,260.00 188,557.142 SO11111111111111111111111111111111111111112 | 0.0002% |
13 | LBank | ETH-USDC | $0.9999 0.0004129 Eth | $18,885,346.00 7,799.696 ETH | 0.0000% |
14 | Hotcoin | BTC-USDC | $0.9993 0.0004129 Eth | $18,389,031.00 296.674 BTC | 0.0000% |
15 | Biconomy.com | BTC-USDC | $1.00 0.0004131 Eth | $17,699,913.00 285.233 BTC | 0.0000% |
16 | Bybit | SOL-USDC | $1.00 0.0004131 Eth | $17,401,553.00 121,716.509 SOL | 0.0001% |
17 | Tapbit | BTC-USDC | $1.00 0.0004132 Eth | $17,092,360.00 275.585 BTC | 0.0000% |
18 | Curve (Ethereum) | 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9999 0.0004132 Eth | $16,412,448.00 16,434,887.140 0X4C9EDD5852CD905F086C759E8383E09BFF1E68B3 | 0.0154% |
19 | Camelot V3 | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $1.00 0.0004132 Eth | $16,300,594.00 16,230,162.110 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0152% |
20 | Raydium (CLMM) | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004131 Eth | $15,350,077.00 107,465.336 SO11111111111111111111111111111111111111112 | 0.0001% |
21 | Coinbase Exchange | USDT-USDC | $0.9998 0.0004129 Eth | $13,995,691.00 13,999,360.060 USDT | 0.0131% |
22 | Azbit | SOL-USDC | $1.00 0.0004132 Eth | $13,221,057.00 92,537.613 SOL | 0.0001% |
23 | WhiteBIT | ETH-USDC | $1.00 0.0004132 Eth | $12,410,345.00 5,127.248 ETH | 0.0000% |
24 | Orca | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004132 Eth | $11,334,063.00 79,349.652 SO11111111111111111111111111111111111111112 | 0.0001% |
25 | Orca | 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004132 Eth | $11,109,057.00 3,356,994.917 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4 | 0.0031% |
26 | Uniswap V3 (Base) | 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006 | $1.00 0.0004132 Eth | $10,499,817.00 10,456,402.472 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | 0.0098% |
27 | OKX | BTC-USDC | $1.00 0.0004131 Eth | $10,412,787.00 167.876 BTC | 0.0000% |
28 | Uniswap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $0.9998 0.0004131 Eth | $9,486,477.00 9,486,985.738 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0089% |
29 | OKX | ETH-USDC | $1.00 0.0004131 Eth | $9,213,488.00 3,821.157 ETH | 0.0000% |
30 | Orca | ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $0.9999 0.0004132 Eth | $9,184,972.00 65,554,500.290 ED5NYYWEZPPPIWIMP8VYM7SD7TD3LAT3Q3GRTWHZPJBY | 0.0615% |
31 | PancakeSwap V3 (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0004132 Eth | $8,984,463.00 8,966,108.737 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0084% |
32 | Velodrome SlipStream | 0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X4200000000000000000000000000000000000006 | $0.9994 0.0004127 Eth | $8,908,530.00 8,873,626.625 0X0B2C639C533813F4AA9D7837CAF62653D097FF85 | 0.0083% |
33 | LFJ V2.1 (Avalanche) | 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.00 0.0004132 Eth | $8,904,258.00 346,508.948 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7 | 0.0003% |
34 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004131 Eth | $8,903,242.00 62,302.895 SO11111111111111111111111111111111111111112 | 0.0001% |
35 | Uniswap V3 (Polygon) | 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174 | $1.00 0.0004131 Eth | $8,654,079.00 8,653,304.235 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359 | 0.0081% |
36 | Orca | 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004132 Eth | $8,653,807.00 8,652,379.312 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO | 0.0081% |
37 | Cube | BTC-USDC | $1.00 0.0004131 Eth | $7,334,128.00 118.332 BTC | 0.0000% |
38 | Azbit | ETH-USDC | $1.00 0.0004132 Eth | $6,946,051.00 2,878.304 ETH | 0.0000% |
39 | Azbit | LTC-USDC | $1.00 0.0004132 Eth | $6,031,427.00 91,188.410 LTC | 0.0001% |
40 | Uniswap V3 (Arbitrum One) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F | $1.001 0.0004133 Eth | $5,893,288.00 5,890,719.270 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0055% |
41 | PancakeSwap V3 (Arbitrum) | 0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $0.9996 0.0004129 Eth | $5,574,426.00 5,556,743.867 0XAF88D065E77C8CC2239327C5EDB3A432268E5831 | 0.0052% |
42 | Curve (Ethereum) | 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7 | $1.00 0.0004132 Eth | $5,297,336.00 5,297,526.571 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | 0.0050% |
43 | BaseSwap V3 | 0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $0.9997 0.0004131 Eth | $5,265,385.00 2,184.337 0X4200000000000000000000000000000000000006 | 0.0000% |
44 | Coins.ph | USDC-PHP | $1.001 0.0004134 Eth | $4,931,485.00 4,931,950.030 USDC | 0.0046% |
45 | Bitget | BTC-USDC | $1.00 0.0004131 Eth | $4,493,665.00 72.453 BTC | 0.0000% |
46 | Hotcoin | ETH-USDC | $1.00 0.0004132 Eth | $4,049,334.00 1,672.940 ETH | 0.0000% |
47 | Meteora | EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-ES9VMFRZACERMJFRF4H2FYD4KCONKY11MCCE8BENWNYB | $1.00 0.0004132 Eth | $3,903,213.00 3,901,881.457 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | 0.0037% |
48 | XT.COM | ETH-USDC | $1.00 0.0004131 Eth | $3,796,201.00 1,573.680 ETH | 0.0000% |
49 | Bitget | ETH-USDC | $1.00 0.0004131 Eth | $3,526,612.00 1,461.755 ETH | 0.0000% |
50 | Meteora | SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.00 0.0004131 Eth | $3,503,318.00 24,525.063 SO11111111111111111111111111111111111111112 | 0.0000% |
51 | Coinbase Exchange | USDC-EUR | $1.00 0.0004131 Eth | $3,350,216.00 3,349,042.450 USDC | 0.0031% |
52 | Binance | FET-USDC | $1.00 0.0004129 Eth | $3,036,316.00 2,151,274.200 FET | 0.0020% |
53 | HTX | ETH-USDC | $1.00 0.0004131 Eth | $2,770,014.00 1,147.269 ETH | 0.0000% |
54 | HTX | BTC-USDC | $1.00 0.0004131 Eth | $2,597,936.00 41.871 BTC | 0.0000% |
55 | PointPay | BTC-USDC | $1.00 0.0004131 Eth | $2,468,732.00 39.755 BTC | 0.0000% |
56 | Binance | WLD-USDC | $0.9998 0.0004127 Eth | $2,233,049.00 1,222,728.400 WLD | 0.0011% |
57 | Dexalot | BTC-USDC | $0.9999 0.0004128 Eth | $2,131,081.00 34.364 BTC | 0.0000% |
58 | LBank | FIL-USDC | $0.9999 0.0004129 Eth | $2,003,463.00 551,523.622 FIL | 0.0005% |
59 | Binance | SEI-USDC | $1.00 0.0004131 Eth | $1,870,665.00 4,593,087.200 SEI | 0.0043% |
60 | Dex-Trade | USDC-USDT | $1.00 0.0004132 Eth | $1,766,012.00 1,765,792.000 USDC | 0.0017% |
61 | Dex-Trade | BTC-USDC | $1.00 0.0004131 Eth | $1,764,907.00 28.442 BTC | 0.0000% |
62 | Binance | NEAR-USDC | $1.00 0.0004132 Eth | $1,699,466.00 359,008.100 NEAR | 0.0003% |
63 | Bybit | SHIB-USDC | $1.00 0.0004131 Eth | $1,460,939.00 84,238,708,317.200 SHIB | 79.0275% |
64 | Binance | SAGA-USDC | $1.00 0.0004129 Eth | $1,191,772.00 494,744.700 SAGA | 0.0005% |
65 | Dexalot | USDT-USDC | $0.9998 0.0004122 Eth | $1,120,964.00 1,121,253.894 USDT | 0.0011% |
66 | Slex | ETH-USDC | $1.00 0.0004131 Eth | $1,069,190.00 443.339 ETH | 0.0000% |
67 | Deribit Spot | ETH-USDC | $1.00 0.0004131 Eth | $1,040,780.00 433.211 ETH | 0.0000% |
68 | Bybit | DOGE-USDC | $1.00 0.0004131 Eth | $1,018,213.00 9,322,987.200 DOGE | 0.0087% |
69 | Bybit | AVAX-USDC | $1.00 0.0004131 Eth | $972,695.00 37,783.093 AVAX | 0.0000% |
70 | WhiteBIT | XRP-USDC | $1.00 0.0004132 Eth | $953,842.00 1,799,349.900 XRP | 0.0017% |
71 | Coinbase Exchange | EURC-USDC | $1.00 0.0004131 Eth | $946,170.00 861,378.000 EURC | 0.0008% |
72 | Slex | BTC-USDC | $0.9999 0.0004129 Eth | $915,715.00 14.757 BTC | 0.0000% |
73 | PointPay | ETH-USDC | $1.00 0.0004131 Eth | $897,810.00 372.201 ETH | 0.0000% |
74 | PointPay | USDC-USDT | $1.00 0.0004130 Eth | $870,981.00 871,083.285 USDC | 0.0008% |
75 | BYDFi | XRP-USDC | $0.9997 0.0004127 Eth | $805,469.00 1,519,008.000 XRP | 0.0014% |
76 | WhiteBIT | ADA-USDC | $1.00 0.0004132 Eth | $797,292.00 2,280,481.300 ADA | 0.0021% |
77 | Dexalot | WBTC-USDC | $0.9999 0.0004129 Eth | $792,379.00 12.793 WBTC | 0.0000% |
78 | Bybit | SUI-USDC | $1.00 0.0004131 Eth | $776,519.00 449,951.690 SUI | 0.0004% |
79 | Cube | SOL-USDC | $1.00 0.0004131 Eth | $746,961.00 5,238.023 SOL | 0.0000% |
80 | OKX | XRP-USDC | $1.00 0.0004131 Eth | $738,424.00 1,390,038.522 XRP | 0.0013% |
81 | Binance | APT-USDC | $1.00 0.0004131 Eth | $654,029.00 74,268.720 APT | 0.0001% |
82 | BYDFi | BTC-USDC | $0.9999 0.0004125 Eth | $654,005.00 10.532 BTC | 0.0000% |
83 | Deribit Spot | SOL-USDC | $1.00 0.0004131 Eth | $634,895.00 4,449.200 SOL | 0.0000% |
84 | Tokpie | USDT-USDC | $1.00 0.0004131 Eth | $561,641.00 561,305.560 USDT | 0.0005% |
85 | Bybit | OP-USDC | $1.00 0.0004131 Eth | $540,221.00 336,283.650 OP | 0.0003% |
86 | BitMart | TUSD-USDC | $1.00 0.0004132 Eth | $428,893.00 429,939.200 TUSD | 0.0004% |
87 | BYDFi | ETH-USDC | $0.9998 0.0004120 Eth | $390,744.00 161.067 ETH | 0.0000% |
88 | Binance | FLOKI-USDC | $1.00 0.0004132 Eth | $386,021.00 2,899,889,263.000 FLOKI | 2.7205% |
89 | Dexalot | ARB-USDC | $0.9998 0.0004122 Eth | $341,955.00 618,386.622 ARB | 0.0006% |
90 | OKX | SHIB-USDC | $1.00 0.0004131 Eth | $331,002.00 19,092,214,972.000 SHIB | 17.9111% |
91 | OKX | NEAR-USDC | $1.00 0.0004131 Eth | $312,795.00 66,222.098 NEAR | 0.0001% |
92 | Dex-Trade | SOL-USDC | $1.00 0.0004131 Eth | $252,336.00 1,755.770 SOL | 0.0000% |
93 | FameEX | USDC-USDT | $0.9995 0.0004130 Eth | $249,420.00 249,552.460 USDC | 0.0002% |
94 | LBank | DOT-USDC | $0.9999 0.0004129 Eth | $219,787.00 53,095.673 DOT | 0.0000% |
95 | OKX | FIL-USDC | $1.00 0.0004131 Eth | $186,657.00 51,440.489 FIL | 0.0000% |
96 | OrangeX | USDC-USDT | $1.00 0.0004129 Eth | $169,823.00 169,837.000 USDC | 0.0002% |
97 | Bitstamp | USDC-USDT | $1.00 0.0004131 Eth | $158,909.00 158,891.692 USDC | 0.0001% |
98 | DeGate | 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9997 0.0004126 Eth | $129,301.00 27,274.005 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D | 0.0000% |
99 | DeGate | 0X92D6C1E31E14520E676A687F0A93788B716BEFF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9993 0.0004124 Eth | $102,803.00 118,288.984 0X92D6C1E31E14520E676A687F0A93788B716BEFF5 | 0.0001% |
100 | DeGate | 0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $0.9997 0.0004126 Eth | $55,156.00 71,576.390 0X8687A10BCA6F139B25EB31020FCABB5782214764 | 0.0001% |
Contract Name:
FiatTokenProxy
Compiler Version
v0.4.24+commit.e67f0147
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion, Audited
Contract Source Code (Solidity)Audit Report
/** *Submitted for verification at Etherscan.io on 2018-08-03 */ pragma solidity ^0.4.24; // File: zos-lib/contracts/upgradeability/Proxy.sol /** * @title Proxy * @dev Implements delegation of calls to other contracts, with proper * forwarding of return values and bubbling of failures. * It defines a fallback function that delegates all calls to the address * returned by the abstract _implementation() internal function. */ contract Proxy { /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ function () payable external { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal view returns (address); /** * @dev Delegates execution to an implementation contract. * This is a low level function that doesn't return to its internal call site. * It will return to the external caller whatever the implementation returns. * @param implementation Address to delegate. */ function _delegate(address implementation) internal { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas, implementation, 0, calldatasize, 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize) } default { return(0, returndatasize) } } } /** * @dev Function that is run as the first thing in the fallback function. * Can be redefined in derived contracts to add functionality. * Redefinitions must call super._willFallback(). */ function _willFallback() internal { } /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } } // File: openzeppelin-solidity/contracts/AddressUtils.sol /** * Utility library of inline functions on addresses */ library AddressUtils { /** * Returns whether the target address is a contract * @dev This function will return false if invoked during the constructor of a contract, * as the code is not actually created until after the constructor finishes. * @param addr address to check * @return whether the target address is a contract */ function isContract(address addr) internal view returns (bool) { uint256 size; // XXX Currently there is no better way to check if there is a contract in an address // than to check the size of the code at that address. // See https://ethereum.stackexchange.com/a/14016/36603 // for more details about how this works. // TODO Check this again before the Serenity release, because all addresses will be // contracts then. // solium-disable-next-line security/no-inline-assembly assembly { size := extcodesize(addr) } return size > 0; } } // File: zos-lib/contracts/upgradeability/UpgradeabilityProxy.sol /** * @title UpgradeabilityProxy * @dev This contract implements a proxy that allows to change the * implementation address to which it will delegate. * Such a change is called an implementation upgrade. */ contract UpgradeabilityProxy is Proxy { /** * @dev Emitted when the implementation is upgraded. * @param implementation Address of the new implementation. */ event Upgraded(address implementation); /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "org.zeppelinos.proxy.implementation", and is * validated in the constructor. */ bytes32 private constant IMPLEMENTATION_SLOT = 0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3; /** * @dev Contract constructor. * @param _implementation Address of the initial implementation. */ constructor(address _implementation) public { assert(IMPLEMENTATION_SLOT == keccak256("org.zeppelinos.proxy.implementation")); _setImplementation(_implementation); } /** * @dev Returns the current implementation. * @return Address of the current implementation */ function _implementation() internal view returns (address impl) { bytes32 slot = IMPLEMENTATION_SLOT; assembly { impl := sload(slot) } } /** * @dev Upgrades the proxy to a new implementation. * @param newImplementation Address of the new implementation. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Sets the implementation address of the proxy. * @param newImplementation Address of the new implementation. */ function _setImplementation(address newImplementation) private { require(AddressUtils.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address"); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, newImplementation) } } } // File: zos-lib/contracts/upgradeability/AdminUpgradeabilityProxy.sol /** * @title AdminUpgradeabilityProxy * @dev This contract combines an upgradeability proxy with an authorization * mechanism for administrative tasks. * All external functions in this contract must be guarded by the * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity * feature proposal that would enable this to be done automatically. */ contract AdminUpgradeabilityProxy is UpgradeabilityProxy { /** * @dev Emitted when the administration has been transferred. * @param previousAdmin Address of the previous admin. * @param newAdmin Address of the new admin. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "org.zeppelinos.proxy.admin", and is * validated in the constructor. */ bytes32 private constant ADMIN_SLOT = 0x10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b; /** * @dev Modifier to check whether the `msg.sender` is the admin. * If it is, it will run the function. Otherwise, it will delegate the call * to the implementation. */ modifier ifAdmin() { if (msg.sender == _admin()) { _; } else { _fallback(); } } /** * Contract constructor. * It sets the `msg.sender` as the proxy administrator. * @param _implementation address of the initial implementation. */ constructor(address _implementation) UpgradeabilityProxy(_implementation) public { assert(ADMIN_SLOT == keccak256("org.zeppelinos.proxy.admin")); _setAdmin(msg.sender); } /** * @return The address of the proxy admin. */ function admin() external view ifAdmin returns (address) { return _admin(); } /** * @return The address of the implementation. */ function implementation() external view ifAdmin returns (address) { return _implementation(); } /** * @dev Changes the admin of the proxy. * Only the current admin can call this function. * @param newAdmin Address to transfer proxy administration to. */ function changeAdmin(address newAdmin) external ifAdmin { require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address"); emit AdminChanged(_admin(), newAdmin); _setAdmin(newAdmin); } /** * @dev Upgrade the backing implementation of the proxy. * Only the admin can call this function. * @param newImplementation Address of the new implementation. */ function upgradeTo(address newImplementation) external ifAdmin { _upgradeTo(newImplementation); } /** * @dev Upgrade the backing implementation of the proxy and call a function * on the new implementation. * This is useful to initialize the proxied contract. * @param newImplementation Address of the new implementation. * @param data Data to send as msg.data in the low level call. * It should include the signature and the parameters of the function to be * called, as described in * https://solidity.readthedocs.io/en/develop/abi-spec.html#function-selector-and-argument-encoding. */ function upgradeToAndCall(address newImplementation, bytes data) payable external ifAdmin { _upgradeTo(newImplementation); require(address(this).call.value(msg.value)(data)); } /** * @return The admin slot. */ function _admin() internal view returns (address adm) { bytes32 slot = ADMIN_SLOT; assembly { adm := sload(slot) } } /** * @dev Sets the address of the proxy admin. * @param newAdmin Address of the new proxy admin. */ function _setAdmin(address newAdmin) internal { bytes32 slot = ADMIN_SLOT; assembly { sstore(slot, newAdmin) } } /** * @dev Only fall back when the sender is not the admin. */ function _willFallback() internal { require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin"); super._willFallback(); } } // File: contracts/FiatTokenProxy.sol /** * Copyright CENTRE SECZ 2018 * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is furnished to * do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ pragma solidity ^0.4.24; /** * @title FiatTokenProxy * @dev This contract proxies FiatToken calls and enables FiatToken upgrades */ contract FiatTokenProxy is AdminUpgradeabilityProxy { constructor(address _implementation) public AdminUpgradeabilityProxy(_implementation) { } }
Contract Security Audit
- Callisto Network - Apr 7th, 2023 - Security Audit Report
[{"constant":false,"inputs":[{"name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newImplementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousAdmin","type":"address"},{"indexed":false,"name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]
Contract Creation Code
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Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56
-----Decoded View---------------
Arg [0] : _implementation (address): 0x0882477e7895bdC5cea7cB1552ed914aB157Fe56
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56
Swarm Source
bzzr://a4a547cfc7202c5acaaae74d428e988bc62ad5024eb0165532d3a8f91db4ed24
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